Ingredients:
For 30-35p cupcakes:
*200g butter
*5 eggs
*250g sugar (3dl)
*2 tsp vanilla sugar
*3 dl milk
*450g flour (8dl)
*4 tsp baking powder
* pinch of salt
*100g dark or milk chocolate
*100g frozen blueberries
For Frosting:
*40g water
*140g egg whites
*140g sugar
*420g softened butter